2.75" Filter Sock Cup - Filter Sock Replacement System tank This Skimmer cap was designed

This Skimmer cap was designed for the Reef Octopus Classic 150 skimmers

See steps 'Complete' or 'Good'nuf'

It can be ordered with a 3/8" barb

The nozzle intake is circular instead of the novel top-water design

Configurable timer relay to control the motor

2.75" Filter Sock Cup - Filter Sock Replacement System tank This Skimmer cap was designedFilter Sock cup for 2. 75" Filter Sock holders (typical to Waterbox aquariums). Getting tired of dealing with those gross filter socks? Look no further There are two ways to get the perfect filtering replacement for felt or mesh filter socks: Complete: Use some filter floss. Cutout a disk of filter floss Tuck the filter floss into the cup then top' with other media like filter fiber or keep them plain; any way you want, and don't look back. Good'nuf: